Find 3 solutions for the linear equation 4x - 3y = 1 and plot the solutions as points on a coordinated plane- help please

If δmtv is reflected across the y-axis, what are the resulting coordinates of point m? a) (-2, 5) b) (-5, 2) c) (5, -2) d) (-2, -5)

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.